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我知道很容易在管理区域显示外键的字段,但是如果使用through,我如何显示多对多关系的字段?如何在Django管理区显示多对多关系字段(如果多对多关系使用'through')?
Models.py:
class Pizza(models.Model):
toppings = models.ManyToManyField(Topping, through='PizzaTopping')
class Topping(models.Model):
topping = models.CharField(max_length=255)
class PizzaTopping(models.Model):
pizza = models.ForeignKey(Pizza)
topping = models.ForeignKey(Topping)
Admin.py:
class PizzaAdmin(admin.ModelAdmin):
fieldsets = (
(None, {
'fields': ('toppings')
}),
})
)
这将产生以下错误:
<class 'pizzas.admin.PizzaAdmin'>: (admin.E013) The value of 'fieldsets[0][1]["fields"]' cannot include the many-to-many field 'toppings' because that field manually specifies a relationship model.
我想显示一个框或列表框,让我选择打顶。
这可能吗?
谢谢
干杯阿拉斯代尔。 –